KR100684012B1 - 광 픽업 엑츄에이터 - Google Patents
광 픽업 엑츄에이터 Download PDFInfo
- Publication number
- KR100684012B1 KR100684012B1 KR1020000017363A KR20000017363A KR100684012B1 KR 100684012 B1 KR100684012 B1 KR 100684012B1 KR 1020000017363 A KR1020000017363 A KR 1020000017363A KR 20000017363 A KR20000017363 A KR 20000017363A KR 100684012 B1 KR100684012 B1 KR 100684012B1
- Authority
- KR
- South Korea
- Prior art keywords
- tracking
- focusing
- lens holder
- optical pickup
- coil
- Prior art date
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Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0935—Details of the moving parts
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0932—Details of sprung supports
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/0933—Details of stationary parts
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/095—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble
- G11B7/0956—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following specially adapted for discs, e.g. for compensation of eccentricity or wobble to compensate for tilt, skew, warp or inclination of the disc, i.e. maintain the optical axis at right angles to the disc
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0925—Electromechanical actuators for lens positioning
- G11B7/093—Electromechanical actuators for lens positioning for focusing and tracking
Landscapes
- Optical Recording Or Reproduction (AREA)
Abstract
Description
대물렌즈를 취부하면서 둘레에 트랙킹 및 포커싱을 위한 코일들이 부착되어 있는 렌즈홀더, 상기 렌즈홀더를 지지하기 위한 복수개의 와이어 스프링, 한 쌍의 마그네트를 취부하고 상기 렌즈홀더가 장착되는 요크; 및 상기 복수개의 와이어 스프링의 지지를 위한 프레임을 구비하는 광 픽업 엑츄에이터에 있어서,
상기 프레임과 상기 요크를 연결하는 상기 트래킹 및 포커싱 외의 다른 특정 방향으로도 움직임이 자유로운 축과, 상기 축으로 연결된 상기 프레임의 주변에 상기 액츄에이터를 상기 트래킹 및 포커싱 외의 다른 특정 방향으로 보정하기 위한 코일과 마그네트를 더 포함하여 구성되는 것을 특징으로 한다.
Claims (3)
- 대물렌즈를 취부하면서 둘레에 트랙킹 및 포커싱을 위한 코일들이 부착되어 있는 렌즈홀더, 상기 렌즈홀더를 지지하기 위한 복수개의 와이어 스프링, 한 쌍의 마그네트를 취부하고 상기 렌즈홀더가 장착되는 요크; 및 상기 복수개의 와이어 스프링의 지지를 위한 프레임을 구비하는 광 픽업 엑츄에이터에 있어서,상기 프레임과 상기 요크를 연결하는 상기 트래킹 및 포커싱 외의 다른 특정 방향으로도 움직임이 자유로운 축과, 상기 축으로 연결된 상기 프레임의 주변에 상기 액츄에이터를 상기 트래킹 및 포커싱 외의 다른 특정 방향으로 보정하기 위한 코일과 마그네트를 더 포함하여 구성되는 것을 특징으로 하는 광 픽업 엑츄에이터.
- 제 1항에 있어서,상기 축은 유연성이 있는 막대인 것을 특징으로 하는 광 픽업 엑츄에이터.
- 제 1항에 있어서,상기 트래킹 및 포커싱 외의 다른 특정 방향이라 함은 래디얼 틸트, 탄젠셜 틸트 및 축 방향 병진운동을 포함하는 것을 특징으로 하는 광 픽업 엑츄에이터.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000017363A KR100684012B1 (ko) | 2000-04-03 | 2000-04-03 | 광 픽업 엑츄에이터 |
US09/825,216 US6574052B2 (en) | 2000-04-03 | 2001-04-03 | Optical pick-up actuator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020000017363A KR100684012B1 (ko) | 2000-04-03 | 2000-04-03 | 광 픽업 엑츄에이터 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20010094008A KR20010094008A (ko) | 2001-10-31 |
KR100684012B1 true KR100684012B1 (ko) | 2007-02-20 |
Family
ID=19661376
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1020000017363A KR100684012B1 (ko) | 2000-04-03 | 2000-04-03 | 광 픽업 엑츄에이터 |
Country Status (2)
Country | Link |
---|---|
US (1) | US6574052B2 (ko) |
KR (1) | KR100684012B1 (ko) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100851909B1 (ko) | 2007-07-02 | 2008-08-13 | 삼성전자주식회사 | 광픽업장치 |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100438276B1 (ko) * | 2001-02-14 | 2004-07-02 | 엘지전자 주식회사 | 레디얼 틸팅 구동이 가능한 광 픽업 액츄에이터 |
KR100436720B1 (ko) * | 2001-08-28 | 2004-06-22 | 삼성전기주식회사 | 광픽업 액츄에이터 |
JP3890941B2 (ja) * | 2001-10-02 | 2007-03-07 | 日本電気株式会社 | 対物レンズ駆動装置 |
CN1623192A (zh) * | 2001-11-07 | 2005-06-01 | 皇家飞利浦电子股份有限公司 | 光器件和光再现设备 |
KR20040099454A (ko) * | 2002-04-19 | 2004-11-26 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 상황인식 디바이스 |
AU2003240218A1 (en) * | 2002-06-04 | 2003-12-19 | Koninklijke Philips Electronics N.V. | 3d actuator for optical disc system |
US6785063B2 (en) * | 2002-08-02 | 2004-08-31 | Acute Applied Technologies, Inc. | Objective lens holding apparatus |
JP4244021B2 (ja) * | 2004-04-13 | 2009-03-25 | ソニー株式会社 | 光ピックアップ及びディスクドライブ装置 |
KR20050100275A (ko) * | 2004-04-13 | 2005-10-18 | 삼성전자주식회사 | 광픽업 액츄에이터 및 이를 채용한 광 기록 및/또는재생기기 |
EP1587084A1 (de) * | 2004-04-15 | 2005-10-19 | Deutsche Thomson-Brandt Gmbh | Gerät zum Lesen und/oder Beschreiben optischer Aufzeichnungsträger |
KR100688597B1 (ko) * | 2005-03-25 | 2007-03-02 | 도시바삼성스토리지테크놀러지코리아 주식회사 | 고추력을 갖는 광픽업 액츄에이터 및 이를 이용한광기록/재생장치 |
CN100428345C (zh) * | 2005-04-15 | 2008-10-22 | 清华大学 | 倾斜驱动方式的三维物镜驱动装置 |
EP1801797A1 (de) * | 2005-12-20 | 2007-06-27 | Deutsche Thomson-Brandt Gmbh | Gerät zum Zugreifen auf optische Aufzeichnungsträger |
WO2008053427A1 (en) * | 2006-11-02 | 2008-05-08 | Koninklijke Philips Electronics N.V. | Actuator assembly and opto-mechanical device comprising an actuator assembly |
JP2009104707A (ja) * | 2007-10-23 | 2009-05-14 | Hitachi Media Electoronics Co Ltd | 対物レンズアクチュエータ、光ピックアップおよび光ディスク装置 |
WO2011155809A2 (ko) * | 2010-06-11 | 2011-12-15 | (주)하이소닉 | 소형 카메라 엑츄에이터 및 소형 입체영상 촬영장치 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980039163A (ko) * | 1996-11-27 | 1998-08-17 | 구자홍 | 광픽업장치의 액츄에이터 |
KR19980050228A (ko) * | 1996-12-20 | 1998-09-15 | 박병재 | 차량의 오토래쉬구조 |
KR19980050228U (ko) * | 1996-12-30 | 1998-10-07 | 배순훈 | 디브이디용 액츄에이터의 샤프트 결합구조 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5313334A (en) * | 1991-07-29 | 1994-05-17 | Sony Corporation | Objective lens moving actuator |
JP2908677B2 (ja) * | 1993-10-15 | 1999-06-21 | 株式会社ケンウッド | 光学式ピックアップの対物レンズ姿勢調整機構 |
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2000
- 2000-04-03 KR KR1020000017363A patent/KR100684012B1/ko active IP Right Grant
-
2001
- 2001-04-03 US US09/825,216 patent/US6574052B2/en not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19980039163A (ko) * | 1996-11-27 | 1998-08-17 | 구자홍 | 광픽업장치의 액츄에이터 |
KR19980050228A (ko) * | 1996-12-20 | 1998-09-15 | 박병재 | 차량의 오토래쉬구조 |
KR19980050228U (ko) * | 1996-12-30 | 1998-10-07 | 배순훈 | 디브이디용 액츄에이터의 샤프트 결합구조 |
Non-Patent Citations (2)
Title |
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1019980039163 |
2019980050228 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100851909B1 (ko) | 2007-07-02 | 2008-08-13 | 삼성전자주식회사 | 광픽업장치 |
Also Published As
Publication number | Publication date |
---|---|
US20010030815A1 (en) | 2001-10-18 |
KR20010094008A (ko) | 2001-10-31 |
US6574052B2 (en) | 2003-06-03 |
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